"Restart when Opened" option (see #159)

src/General/Config.coffee

@@ -211,6 +211,10 @@ Config =
         true
         'Videos begin playing immediately when opened.'
       ]
+      'Restart when Opened': [
+        true
+        'Restart GIFs and WebMs when you hover over or expand them.'
+      ]
       'Show Controls': [
         true
         'Show controls on videos expanded inline. Turn this off if you want to contract videos by clicking on them.'

src/Images/ImageExpand.coffee

@@ -140,7 +140,7 @@ ImageExpand =
         el.pause()
         for eventName, cb of ImageExpand.videoCB
           $.off el, eventName, cb
-      ImageCommon.rewind file.thumb
+      ImageCommon.rewind file.thumb if Conf['Restart when Opened']
       delete file.fullImage
       $.queueTask ->
         # XXX Work around Chrome/Chromium not firing mouseover on the thumbnail.
@@ -163,7 +163,7 @@ ImageExpand =
     else if ImageCommon.cache?.dataset.fullID is post.fullID
       el = file.fullImage = ImageCommon.popCache()
       $.on el, 'error', ImageExpand.error
-      ImageCommon.rewind el unless el.id is 'ihover'
+      ImageCommon.rewind el if Conf['Restart when Opened'] and el.id isnt 'ihover'
       el.removeAttribute 'id'
     else
       el = file.fullImage = $.el (if isVideo then 'video' else 'img')

src/Images/ImageHover.coffee

@@ -30,8 +30,9 @@ ImageHover =
       el.dataset.fullID = post.fullID
       $.on el, 'error', error
       el.src = file.URL
-    ImageCommon.rewind el
-    ImageCommon.rewind @
+    if Conf['Restart when Opened']
+      ImageCommon.rewind el
+      ImageCommon.rewind @
     el.id = 'ihover'
     $.after Header.hover, el
     if isVideo